Electricity: circuit makers and breakers – Special application – Steering wheel – shaft or column mounted
Patent
1990-03-20
1991-03-19
Scott, J. R.
Electricity: circuit makers and breakers
Special application
Steering wheel, shaft or column mounted
200 6155, H01H 900, B62D 104
Patent
active
050013114
ABSTRACT:
A horn switch mechanism of a steering wheel comprises a stationary contact plate having a locking hole, a movable contact plate having a base portion fixed to the stationary contact plate and contact portions extending upward from the base portion, a depressing plate disposed above the movable contact plate, and a horn pad disposed above the depressing plate. The depressing plate is connected to a lead wire electrically connected to the horn control circuit. An electrical insulation clip-like spacer made of synthetic resin having spring elasticity is disposed between the stationary contact plate and the movable contact plate and fastens the latter on the former. The electrical insulation spacer comprises a base member, a slit provided on the base member, and two rotatable locking legs projecting respectively from both sides of the base member with each locking leg having a hook-like engaging portions on the inner and outer ends thereof. Each locking leg is locked to a peripheral edge of the locking holes of the stationary contact plate by the engaging portion on the outer end and the base portion of the movable contact plate is locked to the base member by the engaging portions on the inner ends of the legs.
REFERENCES:
patent: 2361630 (1944-10-01), Jacobi
patent: 4374310 (1983-02-01), Kato et al.
patent: 4447684 (1984-05-01), Sugiyama
patent: 4594486 (1986-06-01), Noda
patent: 4789763 (1988-12-01), Nagata et al.
patent: 4899020 (1990-02-01), Ohno et al.
Scott J. R.
Toyoda Gosei Co,., Ltd.
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